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Saturday, 23 January 2016

Important Questions Mathematics for competitions

 Important Questions  Mathematics for competitions ,maths sample paper for entrance test polytechnic delhi,cet,ssc maths,ctet,nda,aieee,
 Important Questions                                                                  Mathematics
  1. An ogive in used to determine

(a) mean        (b) median     (c) mode         (d) none of these .    

2 In a ∆ABC,D and E are points on the sides AB and AC respectively such that DE//BC .If AD=2.5cm, BD=3.0 cm and AE = 3.75cm, then AC =
(a) 7.25 cm                b) 8.25 cm      (c) 8.75 cm     (d) none 

If the sum of ages of father and his son is 65 years and twice the difference of their ages is 50 years, then age of father is
(a) 45              (b) 40              (c) 50              (d) 155 

4 If the length of the corresponding sides BC and QR of two similar triangles ABC and PQR are respectively 6cm and 10cm, then the ratio of the areas of ∆ABC and ∆PQR is
(a) 3:5                         (b) 9:25           (c) 25:9           (d) 5:3 

     5. The average of 11 results is 50. If the average of the first six result is 49 and that of the last six is 52, then the sixth result is
(a) 53              (b) 54              (c) 55                          (d) 56
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 Important Questions  Mathematics for competitions ,maths sample paper for entrance test polytechnic delhi,cet,ssc maths,ctet,nda,aieee,
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